| Full Name | Dǒng Sīchéng |
| Stage Name | WinWin |
| Native Name | 董思成 |
| Birthday | October 28, 1997 |
| Age | 27 years and 6 months old |
| Zodiac Sign | Scorpio |
| Birthplace | Wenzhou, Zhejiang, China |
| Height | 5’11” (180 cm) |
| Weight | 130.1 lbs (59 kg) |
| Blood Type | B |
| MBTI | INFJ-A |
| Education | The Central Academy of Drama |
| Languages | Chinese, Korean |
| Group | NCT NCT U NCT 127 WayV |
| Social Media | Instagram: [@wwiinn_7] |